<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Upload CSV for FAISS Index</title>
</head>
<body>
    <h1>Upload CSV File</h1>
    <form action="/upload_csv" method="post" enctype="multipart/form-data">
        <label for="file">Choose CSV file:</label>
        <input type="file" id="file" name="file" accept=".csv">
        <br><br>
        <input type="submit" value="Upload">
    </form>
</body>
</html>
